package guestbook;

import java.io.IOException;
import java.util.Date;
import java.util.logging.Logger;

import javax.jdo.PersistenceManager;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;

public class SignGuestbookServlet extends HttpServlet {    
	private static final Logger log = Logger.getLogger(SignGuestbookServlet.class.getName());    
	
	public void doPost(HttpServletRequest req, HttpServletResponse resp)               
	throws IOException {        
        UserService userService = UserServiceFactory.getUserService();        
        User user = userService.getCurrentUser();        
        String content = req.getParameter("content");        
        Date date = new Date();        
        Greeting greeting = new Greeting(user, content, date);        
        PersistenceManager pm = PMF.get().getPersistenceManager();        
        
        try {            
        	pm.makePersistent(greeting);        
        } finally {            
        	pm.close();        
        }        
        
        resp.sendRedirect("/guestbook.jsp");   
		
	}
	}